CN201034789Y - Wring vibrate test system detecting calibrating equipment - Google Patents
Wring vibrate test system detecting calibrating equipment Download PDFInfo
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- CN201034789Y CN201034789Y CNU2007200670367U CN200720067036U CN201034789Y CN 201034789 Y CN201034789 Y CN 201034789Y CN U2007200670367 U CNU2007200670367 U CN U2007200670367U CN 200720067036 U CN200720067036 U CN 200720067036U CN 201034789 Y CN201034789 Y CN 201034789Y
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Abstract
The utility model relates to a detecting and calibrating device for a torsional vibration test system. The utility model is characterized in that the utility model comprises a mechanical system which is provided with a driving part and a rotating part, a frequency conversion electronic control system and a computer system; and the driving part comprises a base, a motor, driving and driven wheels, and an external end of an output shaft of the driven wheel is connected to a measure speed gear and the other end is connected to a driving shaft which is provided with a second temperature vibrating sensor; and the measure speed gear is connected to a speed sensor and to a first temperature vibrating sensor; and the rotating part comprises a variable angle coupling which is connected to an output end of the driving shaft and a driven shaft which is connected to an output end of the variable angle coupling, and an output end of the driven shaft is sequentially connected to a signal wheel and to a damper, and the driven shaft is connected to a third temperature vibrating sensor, and the signal wheel is connected to a torsional vibration sensor and to an angle sensor which is arranged on the rotating part; and the frequency conversion electronic control system is connected to the motor; and output of each sensor is bidirectionally connected to the computer system. A standard second matching torsional vibration signal is produced according to the rotating speed of present tested gear, therefore improving accurate degree of detection.
Description
Technical field
The utility model relates to a kind of torsional oscillation test macro and detects calibrating installation.
Background technology
The torsional oscillation test macro that generally uses at present detects calibrating installation and is eccentricity excitation formula torsional oscillation calibration console.The problem that engineering technical personnel are concerned about in field tests most is exactly the accuracy of measuring.If neither one can just can't be judged the order of accuarcy of the measured data of employed torsional oscillation test macro according to the standard torsional vibration signals of rotation speed change.And therefore shortcoming such as existing torsional oscillation test macro detects that there is complex structure in calibrating installation, precision is low, frequency is single, low frequency differences, use are loaded down with trivial details has limited that the torsional oscillation test macro detects, the popularizing of calibration.
Summary of the invention
The utility model is a kind of torsional oscillation test macro calibrating installation that proposes for the detection calibration problem that solves existing torsional oscillation test macro.The utility model torsional oscillation test macro calibrating installation can be current according to calibrating installation rotating speed, the torsional vibration signals that generation standard two is humorous time, thus improve the order of accuarcy of check torsional oscillation test macro.
The technical scheme that the utility model is taked is: the torsional oscillation test macro detects calibrating installation, comprising: mechanical system, electric-control system and computer system three parts; Described computer system comprises computing machine or industrial computer; Be characterized in,
Described mechanical system comprises drive part and rotating part; Wherein: described drive part comprises support, be located at that AC servo motor on the support is connected principal and subordinate's belt wheel, the output shaft that is provided with from the center of belt wheel, output shaft with this AC servo motor outer end connects measure speed gears, the speed probe that is connected with measure speed gears and the first temperature disturbance sensor, with the driving shaft that is connected from the belt wheel output shaft other end, be located at the second temperature disturbance sensor of driving shaft; Described rotating part comprises the variable-angle shaft coupling, the driven shaft that is connected with variable-angle shaft coupling output terminal that are connected with the driving shaft output terminal, being linked in sequence is located at the angular transducer of rotating part at the signal wheel and the electromagnetic force damper of driven shaft output terminal, at least one three-temperature sensor that is located at driven shaft, the torsional oscillation sensor and that is located at the signal wheel; The power that motor produced is delivered to tested object by driving shaft, variable-angle shaft coupling, driven shaft;
Described electric-control system is a frequency conversion electrical control system, and it comprises variable frequency drives and frequency-variable controller, is connected with AC servo motor;
The frequency-variable controller of described frequency conversion electrical control system is with described computing machine or industrial computer is two-way is connected; The output terminal of each sensor of described mechanical system by photoelectric coupling circuit with computing machine or industrial computer is two-way is connected.
Above-mentioned torsional oscillation test macro detects calibrating installation, and wherein, described variable-angle shaft coupling is made of two flat keys and the angle converter that is connected these two flat key supports.
Above-mentioned torsional oscillation test macro detects calibrating installation, wherein, also comprises an angle display, and described angle display comprises a rotation base plate and an angle indicator board; Described rotation base plate is located at described variable-angle shaft coupling below, and the rotation base plate can rotate around the rotating shaft of variable-angle shaft coupling below; Described angle indicator board is hung vertically in the outer end of rotation base plate, with the interlock of rotation base plate.
Above-mentioned torsional oscillation test macro detects calibrating installation, and wherein, described rotation base plate is by the bearing fixing driven shaft.
Above-mentioned torsional oscillation test macro detects calibrating installation, wherein, also comprises a balancing weight, and described balancing weight is fixed on the other end of rotation base plate.
Above-mentioned torsional oscillation test macro detects calibrating installation, and wherein, described rotary part is equipped with protective cover outward.
Above-mentioned torsional oscillation test macro detects calibrating installation, wherein, also comprises a flywheel; This flywheel is contained on the variable-angle shaft coupling leading portion driving shaft, and this flywheel can slide around this driving shaft one end adjustment.
Above-mentioned torsional oscillation test macro detects calibrating installation, and wherein, described speed probe has the adjustment function of X, Y, Z three directions.
Above-mentioned torsional oscillation test macro detects calibrating installation, and wherein, the input end of described frequency conversion electrical control system is provided with anti-interference parts, comprises isolating transformer, noise filter and reactor that order is installed.
Above-mentioned torsional oscillation test macro detects calibrating installation, wherein, anti-canting device is installed on the support of described driver part, in the support bottom buffer shock-absorbing pad is housed.
Because the utility model has adopted above technical measures, constitute by high-precision servo motor, frequency conversion electrical control system, high precision variable angle shaft coupling and turbine and worm steering mechanism, angle display and computer system, can produce two humorous time standard torsional vibration signals, signal amplitude and frequency can accurately be controlled and regulate, and have characteristics such as simple in structure, that the precision high and low frequency is good, easy to use.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structural principle synoptic diagram that the utility model torsional oscillation test macro detects calibrating installation.
Fig. 2 is the structural representation that the utility model torsional oscillation test macro detects each parts connection of calibrating installation embodiment.
Fig. 3 is the structural representation (part is analysed and observe) that the utility model torsional oscillation test macro detects a kind of embodiment of calibrating installation mechanical system.
Fig. 4 is the vertical view (part is analysed and observe) of Fig. 3.
Fig. 5 is the schematic diagram that the utility model torsional oscillation test macro detects calibrating installation mechanical system variable-angle shaft coupling exciting agency.
Fig. 6 is that the angular transition of variable-angle shaft coupling concerns synoptic diagram.
Fig. 7 is driving shaft and driven shaft angular relationship curve synoptic diagram.
Embodiment
See also Fig. 1, this is the structural principle synoptic diagram that the utility model torsional oscillation test macro detects calibrating installation.The utility model torsional oscillation test macro detects calibrating installation, comprising: mechanical system 11, frequency conversion electrical control system 12 and computer system 13 three parts.
Described mechanical system 11 comprises drive part 111 and rotating part 112, wherein: described drive part 111 comprises support 1111, be located at support and be provided with AC servo motor 1112, the output shaft of AC servo motor connects principal and subordinate's belt pulley 1113,1114, should connect measure speed gears A from the outer end of belt pulley 1114, measure speed gears connects the revolution speed sensing 1115 and the first temperature disturbance sensor 1116, from the other end of belt pulley 1114 driving shaft 1117 is set, driving shaft is provided with the second temperature disturbance sensor 1118, and described speed probe has X, Y, the adjustment function of Z three directions.So far can also comprise a flywheel 1119 from belt pulley 1114 and driving shaft 1117.
Described rotating part 112 comprises the variable-angle shaft coupling 1121, the driven shaft 1122 that is connected with variable-angle shaft coupling output terminal that are connected with the driving shaft output terminal, being linked in sequence is located at the angular transducer 1127 of rotating part at the signal wheel 1123 and the electromagnetic force damper 1124 of driven shaft output terminal, two three-temperature sensors 1125 that are located at driven shaft, the torsional oscillation sensor 1126 and that is located at the signal wheel, and this angular transducer 1127 is delivered to computer system with the angle A that this rotating part 112 is rotated.The power that motor produced is delivered to tested object by driving shaft, variable-angle shaft coupling, driven shaft.
Described frequency conversion electrical control system 12 comprises variable frequency drives and frequency-variable controller, is connected with AC servo motor 1112.Variable frequency drives and frequency-variable controller can be made up of resolution element, also can be one and constitute.The frequency-variable controller drive software adopts monitoring software, the high-performance PROFIBUS bus driver card of German SIEMENS company, can realize the various motions and the running control of servomotor.
Because the utility model calibrating installation is a cover speed-regulating range width, the fast high-precision calibration device of dynamic response, aspect power source, adopts having the following advantages of servomotor control rotating speed:
1) wide speed adjustable range is well regulated the mechanical property of flatness and enough hardness.
2), can guarantee that motor has essentially identical overload capacity in speed regulation process for speed regulation by constant torque; Simultaneously can satisfy the constant substantially requirement of magnetic flux.
3) the servomotor speed governing is a speed regulating method desirable in the present motor speed adjusting.It is good that it has an efficient height, speed-regulating range width, precision height, flatness.
Described computer system 13 comprises computing machine or industrial computer, and the frequency-variable controller of described frequency conversion electrical control system is with described computing machine or industrial computer is two-way is connected.The running software platform of computer system adopts Windows 2000/Windows XP professional version; System controlling software adopts the LABVIEW software of America NI company.This software is a kind of measurement automated software, has the advance and the reliability of height.On the device hardware layer, can with system's various I/O equipment seamless combination, and provide extremely friendly human-computer interaction interface.In addition, he also has various powerful data analysis functions.For the collection of temperature and vibration model, use the analog data capture card of America NI company, in conjunction with the data analysis function of LABVIEW, show the duty of sensor in real time, in case the limit of mistake is sent sound and light alarm immediately.
This computer system has following function:
1) can set rotating speed warning limit value,, send the sound and light alarm signal when rotating speed transfinites, and the power supply of cutting off the electricity supply;
2) axle system transfinites when vibration with acceleration transducer monitoring vibration magnitude, sends the sound and light alarm signal, and the power supply of cutting off the electricity supply;
3) come detected temperatures and vibration with temperature and vibration transducer on the bearing,, send the sound and light alarm signal if temperature and vibration are transfinited, and the power supply of cutting off the electricity supply;
4) has scram button;
5) graphical operation interface;
6) test parameters, alarm parameters can be set;
7) can write down trial curves such as the speed of mainshaft, phase place (comprising corresponding square wave);
8) have the oscillograph function, speed probe output signal, required ECU signal can be shown with screen on computer screen.
See also Fig. 2.This is the structural representation that the utility model torsional oscillation test macro detects a kind of embodiment of each parts connection of calibrating installation.
As can be seen from the figure, in this calibrating installation, adopt servomotor 211, frequency conversion electrical control system 22 and computer system 23 in mechanical system 21, the mechanical system 21 to constitute closed-loop control, satisfy the fast requirement of turning of this proving installation, and have that adjusting speed accuracy height, good stability, dynamic response are fast, speed-regulating range width, when low speed, can provide advantage such as big torque output; The optical disc encoding devices of the servomotor 211 of itself and mechanical system 21 band itself are used, and can reach very high control accuracy.
Variable frequency drives in the frequency conversion electrical control system 22, frequency-variable controller all are contained in the betal can of sealing, play shielding action; Shell inserts geodesic line, can introduce the earth to the interference in electric field and magnetic field like this.
The input end of frequency conversion electrical control system is provided with anti-interference parts, comprises non-fuse breaker 223, noise filter 224 and electromagnetic contactor 225 that order is installed.
Frequency-variable controller in frequency conversion electrical control system inside has also been taked quarantine measures, because of being ready-made technology, so do not give unnecessary details.
Frequency-variable controller is made of an industrial computer, and this industrial computer adopts DC power supply, is convenient to further eliminate the undesired signal in the power supply like this.For when the unexpected dead electricity, can allow computing machine withdraw from if having time, added the UPS uninterrupted power source.Computing machine and control panel are powered by insulating power supply respectively.The all data input-output cards of industrial computer all adopt photoelectric coupling circuit to isolate, and strengthen interference free performance.
Computer system is the duty of the whole device of monitoring in real time, by closed loop, realizes high-precision rotating speed control.Computer system can adopt computing machine, notebook computer or industrial computer, use for the convenience of the user, and present embodiment adopts notebook computer to constitute.
See also Fig. 3, Fig. 4, this is the structural representation (part is analysed and observe) that the utility model torsional oscillation test macro detects a kind of embodiment of calibrating installation mechanical system.
The utility model torsional oscillation test macro detects the calibrating installation mechanical system, comprise cabinet 3, the driven shaft 35 that be located at a servomotor (comprising variator) 31, the spring coupling 32 that is connected with the servomotor output shaft on the cabinet, the driving shaft 33 that is located at spring coupling 32 other ends, the variable-angle shaft coupling 34 that is connected with the other end of driving shaft 33, is connected variable-angle shaft coupling 34 other ends.Described variable-angle shaft coupling is by two flat keys 341,342 and be connected angle converter 343 between these two flat keys, constitute.Consider that the variable-angle shaft coupling is used to test the torsional vibration damper of quite big inertia,, avoid because the main shaft that is caused by the reactive torque of side part inertia twists (particularly when high frequency) so give driving shaft and driven shaft with enough diameters.
The utility model torsional oscillation test macro detects the calibrating installation mechanical system and also comprises an angle display 36, and described angle display 36 comprises a rotation base plate 361 and an angle indicator board 362; Described rotation base plate is located at described variable-angle shaft coupling below, and the rotation base plate can rotate around the rotating shaft of variable-angle shaft coupling below; Described angle indicator board is hung vertically in the outer end of rotation base plate, with the interlock of rotation base plate; In order to show the angle of main drive shaft and driven shaft more intuitively, diagraph and the figure notation that has checking the calibration is installed on rotating base directly.
The utility model torsional oscillation test macro detects calibrating installation, also comprises a balancing weight 37, and this balancing weight is fixed on the other end of rotation base plate.Driven shaft is rotating on the base plate by bearing fixing.
Safety during for the assurance test, the utility model torsional oscillation test macro detects the described rotary part of calibrating installation protective cover (not shown) is installed outward.Anti-canting device is installed on the support of described driver part, the buffer shock-absorbing pad is housed in the support bottom.
In order to reduce the cyclical movement of motor shaft speed, the utility model torsional oscillation test macro detects calibrating installation increases a flywheel (not shown) on driving shaft; Flywheel is contained on variable-angle shaft coupling (also claiming universal knot) the leading portion driving shaft, and flywheel can slide around driving shaft one end adjustment; This design can make driven portion (comprising the variable-angle shaft coupling) accomplish stable rotation.
Be convenient test, the utility model also comprises a handwheel 38, and described handwheel 38 is connected with the rotation base plate by steering mechanism 39.This steering mechanism 39 is made of a worm and gear, and the output terminal of this steering mechanism is fixed on the bottom of rotation base plate by a flange.
In addition, mechanical system of the present utility model also can adopt following measure for performance further is provided:
1) for reducing axial float, on main shaft, adopt the radial ball bearing of high-speed, high precision and the entad angular contact ball bearing of high-speed, high precision to be used in combination.
2) because axle is a high-speed rotation, for reducing moment of inertia, on the main axis rotation parts, under the prerequisite of proof strength and rigidity, adopt aluminium alloy part and steel to load in mixture, and carry out the dynamic balancing measurement of high speed rotating spare, guarantee mechanical rotation part reliable operation.Each part of main axis transmission system for ease of maintenaince and change.
3) monitor with temperature and vibration transducer axle system,, produce resonance in case critical rotary speed occurs to high speed rotating; Or bearing temperature will produce sound and light alarm, and be stopped the operation of whole test system by host computer when crossing the state of high serious harm test macro device security; And the installation site of each sensor and mounting means are considered the requirement of calibration, are convenient to installation and removal.
4) the installing of speed probe, can make speed probe have the adjustment function of X, Y, Z three directions, satisfy different test requests.
5) adopted safety prevention measure on the equipment: because rotating machinery is equipped with protective cover; Equipment base has enough weight, and anti-canting device is installed; The buffer shock-absorbing pad is equipped with in the testing table bottom, the protection system reliably working, and make noise be lower than 75dB.
6) leave the space at the side and the back side of experimental facilities, so that safeguard.
The utility model torsional oscillation test macro detects calibrating installation and also comprises electric motor starting button 411, tachometer gage 412, potentiometer 413, power switch 414, fault alarm 415 and the electromotion pilot lamp 416 etc. that are electrically connected with computer control system, is arranged on the panel 41 of described torsional oscillation test macro detection calibrating installation.
This mechanical system work principle is: the motor-driven main shaft, the power that motor produced is delivered to tested object by driving shaft, variable-angle shaft coupling, driven shaft.The driven shaft that drives torsional vibration pick-up is installed on the base plate by bearings mechanism; And base plate can rotate around a rotating shaft that vertically is contained in below the variable-angle shaft coupling, and just can to carry out computing machine by computer system automatically controlled for driven shaft like this, forms different angles with main drive shaft, thereby can obtain required twisting vibration.
See also Fig. 5, this is the structural principle synoptic diagram of variable-angle shaft coupling.The utility model variable-angle shaft coupling be utilize in same plane with the variable-angle shaft coupling at the uniform velocity the motor rotating axle link up the principle of the torsion angle that just can produce approximate simple harmonic quantity variation with driven shaft by the angle of certain deflection and work.From shown in Figure 5, driving shaft 51 is positioned at same plane with driven shaft 52, and the angle of diaxon is φ.The rod member 531,532 of two crisscrosses is arranged in the variable-angle shaft coupling 53, and drive part and driven portion are connected on the rod member.The cruciform rod member can rotate arbitrarily in the variable-angle shaft coupling.
See also Fig. 6.For the Changing Pattern of the corner of expressing driven shaft with the driving shaft corner can be found out from the angular transition graph of a relation of Fig. 6.
The broken circle representative is driven the plane of movement of the cross bar of shaft part, the plane that the horizontal plane representative is vertical with the cross bar of drive axle segments among Fig. 6.So the diaxon included angle that defines among the included angle of two faces and Fig. 5 among this figure becomes mutual surplus relation.Relation according to angular relationship derivation φ, α, β among Fig. 6 is as follows:
dsinβ·sinφ＝dcosβ·ctgα
After the simplification:
tgβ·sinφ＝tgα
Because the mutual surplus relation of angle obtains:
cosφ·tgβ＝tgα
Get the relation curve that input quantity α and output wave momentum alpha-beta are made in cos φ=0.5, see also Fig. 7, this is driving shaft and driven shaft angular relationship curve synoptic diagram.As seen, being superimposed upon the corner fluctuation B that is obtained on the average corner is an approximate sin curve, can obtain each rank simple harmonic quantity to its expansion.
Produce dynamic torque with the variable-angle shaft coupling, motor comes drive shaft by synchronous belt transmission device, can increase the speed of driving shaft and the scope of vibration frequency like this.In order to reduce the cyclical movement of motor shaft speed, on driving shaft, add a flywheel; Flywheel is contained on the variable-angle shaft coupling leading portion driving shaft, and flywheel can slide around an end adjustment; This design can make driven portion (comprising the variable-angle shaft coupling) accomplish stable rotation.The power that motor produced is delivered to tested torsional vibration damper by driving shaft, variable-angle shaft coupling, driven shaft.The driven shaft that drives torsional vibration pick-up is installed on the base plate by bearings mechanism; And base plate can rotate around a rotating shaft that vertically is contained in below the variable-angle shaft coupling, and just can to carry out computing machine by computer system automatically controlled for driven shaft like this, forms different angles with main drive shaft, thereby can obtain required twisting vibration.
Can know by above-mentioned analysis, adopt variable-angle shaft coupling of the present utility model can produce approximate simple harmonic wave momentum.
In the utility model when operation, be positioned over equipment on the horizontal table earlier, sensor installation, and signal inserted computing machine.Install on computers " softdog ", open capture program.Connect motor cable, energized.Open the motor run switch.Slowly rotate rotating speed and adjust switch, rotating speed is adjusted to test speed.Can learn the current rotating speed of motor by the rotating speed indicating gauge.The motor minimum stable engine speed is 15rpm, and rated speed is 1500rpm.Use capture program that signal is gathered.Press the preservation key, one minute data will be gathered and preserve to computing machine automatically.Can regulate motor speed during motor carries out, but when needs are adjusted rotational angle, please earlier rotating speed be adjusted switch and dial back zero-bit, treat to regulate motor speed again after angular setting finishes.After test finishes, earlier rotating speed is adjusted switch and dial back zero-bit, disable motor run switch, electric power switch successively then, and cut-out power devices.In motor operation course, just as the system alarm lamp that breaks down can be lighted, system enters protected mode.This moment is disable motor run switch, electric power switch successively please, and rotating speed is adjusted switch dial back zero-bit, restarts after hanging on.
The utility model the key technical indexes is: specified maximum rotation angle: ± 30 °; Minimum stable engine speed: 15rpm; Maximum amount is decided rotating speed: 1500rpm; Rotating speed is adjusted precision: ± 1rpm; Produce signal: 2 humorous signals of standard.Its signal amplitude and frequency can accurately be controlled and regulate, and have characteristics such as simple in structure, that the precision high and low frequency is good, easy to use.
Claims (9)
1. the torsional oscillation test macro detects calibrating installation, comprising: mechanical system, electric-control system and computer system three parts; Described computer system comprises computing machine or industrial computer, it is characterized in that,
Described mechanical system comprises drive part and rotating part; Wherein: the speed probe that the output shaft that described drive part comprises support, be located at AC servo motor on the support, be connected principal and subordinate's belt wheel with this AC servo motor, be provided with from the center of belt wheel, the outer end of output shaft connect measure speed gears, be connected with measure speed gears and the first temperature disturbance sensor, with the driving shaft that is connected from the belt wheel output shaft other end, be located at the second temperature disturbance sensor of driving shaft; Described rotating part comprises the variable-angle shaft coupling, the driven shaft that is connected with variable-angle shaft coupling output terminal that are connected with the driving shaft output terminal, being linked in sequence is located at the angular transducer of rotating part at the signal wheel and the electromagnetic force damper of driven shaft output terminal, at least one three-temperature sensor that is located at driven shaft, the torsional oscillation sensor and that is located at the signal wheel; The power that motor produced is delivered to tested object by driving shaft, variable-angle shaft coupling, driven shaft;
Described electric-control system is a frequency conversion electrical control system, comprises variable frequency drives and frequency-variable controller, is connected with AC servo motor;
The frequency-variable controller of described frequency conversion electrical control system is with described computing machine or industrial computer is two-way is connected; The output terminal of each sensor of described mechanical system by photoelectric coupling circuit with computing machine or industrial computer is two-way is connected.
2. torsional oscillation test macro according to claim 1 detects calibrating installation, it is characterized in that, described variable-angle shaft coupling is made of two keys and the angle converter that is connected between these two keys.
3. torsional oscillation test macro according to claim 1 detects calibrating installation, it is characterized in that, also comprises an angle display, and described angle display comprises a rotation base plate and an angle indicator board; Described rotation base plate is located at described variable-angle shaft coupling below, and the rotation base plate can rotate around the rotating shaft of variable-angle shaft coupling below; Described angle indicator board is hung vertically in the outer end of rotation base plate, with the interlock of rotation base plate.
4. torsional oscillation test macro according to claim 3 detects calibrating installation, it is characterized in that, described rotation base plate is by the bearing fixing driven shaft.
5. torsional oscillation test macro according to claim 3 detects calibrating installation, it is characterized in that, also comprises a balancing weight, and described balancing weight is fixed on the other end of rotation base plate.
6. torsional oscillation test macro according to claim 3 detects calibrating installation, it is characterized in that described rotary part is equipped with protective cover outward.
7. torsional oscillation test macro according to claim 1 detects calibrating installation, it is characterized in that, also comprises a flywheel; This flywheel is contained on the variable-angle shaft coupling leading portion driving shaft, and this flywheel can slide around this driving shaft one end adjustment.
8. torsional oscillation test macro according to claim 1 detects calibrating installation, it is characterized in that the input end of described frequency conversion electrical control system is provided with anti-interference parts, comprises isolating transformer, noise filter and reactor that order is installed.
9. torsional oscillation test macro according to claim 1 detects calibrating installation, it is characterized in that, anti-canting device is installed on the support of described driver part, in the support bottom buffer shock-absorbing pad is housed.
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| CNU2007200670367U CN201034789Y (en) | 2007-02-06 | 2007-02-06 | Wring vibrate test system detecting calibrating equipment |
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| CN101871846A (en) * | 2010-06-11 | 2010-10-27 | 清华大学 | Online detection method for torsion vibration signal of automotive power transmission system |
| CN102022474A (en) * | 2010-10-22 | 2011-04-20 | 北京工业大学 | Linear magnetic damping locator and inclination angle detection system thereof |
| CN101696893B (en) * | 2009-10-29 | 2011-05-11 | 哈尔滨工程大学 | Method for generating standard torsional vibration signals |
| CN102589886A (en) * | 2011-01-11 | 2012-07-18 | 罗一平 | Protecting device for shaft coupler of engine |
| CN103091108A (en) * | 2013-01-17 | 2013-05-08 | 商旭升 | Vibration detecting system used for aircraft engine |
| CN104122035A (en) * | 2014-07-02 | 2014-10-29 | 西南大学 | Direct-set load torque and rotational inertia simulating system and control method thereof |
| CN105785267A (en) * | 2015-10-31 | 2016-07-20 | 南京南瑞继保电气有限公司 | Torsional oscillation protection test device |
| CN108507771A (en) * | 2018-04-08 | 2018-09-07 | 中国船舶重工集团公司第七0四研究所 | Passive electromagnetic damper for small torque calibration device |
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| CN101696893B (en) * | 2009-10-29 | 2011-05-11 | 哈尔滨工程大学 | Method for generating standard torsional vibration signals |
| CN101871846A (en) * | 2010-06-11 | 2010-10-27 | 清华大学 | Online detection method for torsion vibration signal of automotive power transmission system |
| CN101871846B (en) * | 2010-06-11 | 2011-09-14 | 清华大学 | Online detection method for torsion vibration signal of automotive power transmission system |
| CN102022474A (en) * | 2010-10-22 | 2011-04-20 | 北京工业大学 | Linear magnetic damping locator and inclination angle detection system thereof |
| CN102589886A (en) * | 2011-01-11 | 2012-07-18 | 罗一平 | Protecting device for shaft coupler of engine |
| CN103091108A (en) * | 2013-01-17 | 2013-05-08 | 商旭升 | Vibration detecting system used for aircraft engine |
| CN104122035A (en) * | 2014-07-02 | 2014-10-29 | 西南大学 | Direct-set load torque and rotational inertia simulating system and control method thereof |
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| CN105785267A (en) * | 2015-10-31 | 2016-07-20 | 南京南瑞继保电气有限公司 | Torsional oscillation protection test device |
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